Profiler improvements: more-accurate timers, overflow checks.

[gnu-emacs] / src / syssignal.h

diff --git a/src/syssignal.h b/src/syssignal.h
index 5c0edaa591d86f72a7d36fe52e44188c9b97e55d..0bc856769ba52c89a00fff865f017a2016ebdaca 100644 (file)
--- a/src/syssignal.h
+++ b/src/syssignal.h
@@ -29,6 +29,10 @@ extern void init_signals (bool);
 #define FORWARD_SIGNAL_TO_MAIN_THREAD
 #endif
 
+#if defined SIGPROF && (defined HAVE_TIMER_SETTIME || defined HAVE_SETITIMER)
+# define PROFILER_CPU_SUPPORT
+#endif
+
 extern sigset_t empty_mask;
 
 typedef void (*signal_handler_t) (int);